6680825998540 has 96 divisors (see below), whose sum is σ = 14939554775040. Its totient is φ = 2500847717376.

The previous prime is 6680825998513. The next prime is 6680825998559. The reversal of 6680825998540 is 458995280866.

It is a happy number.

It is a super-4 number, since 4×6680825998540⁴ (a number of 52 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6680825998540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63560469 + ... + 63665491.

It is an arithmetic number, because the mean of its divisors is an integer number (155620362240).

Almost surely, 2^{6680825998540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680825998540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7469777387520).

6680825998540 is an abundant number, since it is smaller than the sum of its proper divisors (8258728776500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6680825998540 is a wasteful number, since it uses less digits than its factorization.

6680825998540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106111 (or 106109 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 70.

The spelling of 6680825998540 in words is "six trillion, six hundred eighty billion, eight hundred twenty-five million, nine hundred ninety-eight thousand, five hundred forty".